When Trajan was proclaimed emperor, he set out to rebuild the troubled Roman Empire and lived to see it reach the maximum extent of its power. Despite the .\rbr\rbrWhen Trajan was proclaimed emperor, he set out to rebuild the troubled Roman Empire and lived to see it reach the maximum extent of its power. Despite the .\rbr\rbrWhen Trajan was proclaimed emperor, he set out to rebuild the troubled Roman Empire and lived to see it reach the maximum extent of its power. Despite the .\rbr\rbr\rbr\rbrRome: The Rise and Fall of an Empire - Episode 6: Dacian Wars (Documentary) The Roman Empire was the largest and most powerful in history, but how did .